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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. Which of the following service models are usually included in QoS ?

A) Best Effort
B) DiffServ ( Differentiated Service )
C) IntServ ( Integrated Service )
D) FIFO ( First Input First Output )

2. Which of the following statements about the access network is correct is _____

A) The access network can also be Ethernet
B) access network typically includes a user transmission system, terminal multiplexers or network,
C) Compared with backbone network, access network is often the bottleneck of network transmission speed
D) access into generally refers to the connection between the user and the network operator of the network close to the user central office

3. Which of the following standards is a purely subjective measurement of speech quality ?

A) PESQ
B) PQSM
C) PSQM
D) MOS

4. The following options belong to CPE are

A) DSLAM
B) machine top box
C) access into the switch
D) cable modem
E) access the server
F) Wide Router

5. The following about symmetric encryption algorithm is ______ .

A) RAS
B) RC4
C) AES
D) DES

Solutions: